Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Scientists in Germany have developed a candy that doesn't cause cavities.
11
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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Pumice is the only rock that floats on water.
14
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20